Figure 1. AC inverters, also called AC drives or variable frequency drives, provide the frequency and voltage needed to drive an AC motor. AC drive application basics Pumps, fans, and conveyor ...

Single- and three-phase alternating current (AC) motor speed can be controlled by controlling the frequency of the voltage coming to it. Motor speed has a lot to do with the capacity of refrigeration ...

Fig. 1. An ideal sinuosoid and PWM waveform figure. By the 1980s, AC motor drive technology became reliable and inexpensive enough to compete with traditional DC motor control. These ...

AC Technology, a member of the Lenze Group, announces the release of its SMVector Drive. With its price, its flexibility and a power range of up to 20 Hp, the SMVector drive excels in environments ...